Imitrex
Developed to alleviate migraine symptoms and intended to support patient comfort.
- Category
- Neurology
- Active ingredient
- Sumatriptan
- Supply
- Pharmacy
- Route
- Oral use
- Form
- Tablet
- Strengths
- 25 · 50 · 100mg
Imitrex details
- Conditions
- Migraine · Cluster Headache
- Alternative names
- Imigran
- Therapeutic class
- 5-HT1 Receptor Agonist
- Pharmacological class
- Triptan
- Precautions and warnings
- use with caution in patients with history of seizures; may cause drowsiness
- Minor side effects
- nausea; dizziness; fatigue
- Moderate side effects
- tingling; hot flush; chest tightness
- Dosage forms
- Tablet
- Administration route
- Oral use
- Supply category
- Pharmacist only, dispensed without a prescription
- Manufacturer
- GSK
- Onset Time
- 30–60 minutes
- Duration
- 4–6 hours
- Storage instructions
- Store below 30°C, away from light.
- Drug interactions
- ergotamine; MAO inhibitors; SSRIs
- Age restrictions
- Not recommended for children.
- Pregnancy and breastfeeding
- Use only if necessary and under medical supervision.
Contraindications
history of myocardial infarction; uncontrolled hypertension; concurrent use of ergotamine derivatives
Serious side effects
arrhythmia, requires immediate medical attention; angina pectoris, requires immediate medical attention
Patient summary
Developed to alleviate migraine symptoms and intended to support patient comfort.
Mechanism of action
Sumatriptan acts as a selective 5-HT1 receptor agonist, causing vasoconstriction of intracranial blood vessels and inhibiting the release of pro-inflammatory neuropeptides.
Where this medicine is registered
- Singapore
- Hong Kong
- Thailand
- Malaysia
- Philippines
- Indonesia
- Taiwan
- South Korea
- Japan
- Australia
- New Zealand
- UAE
- South Africa
About Imitrex
Imitrex is the primary brand name for sumatriptan, a medication used for the management of migraine and cluster headache. The same active ingredient is also sold as Imigran, provided as a tablet in strengths of 25, 50 and 100mg. Manufactured by GSK, it is used as a consistent solution for people managing these specific symptoms.
Buying Imitrex online
Imitrex is registered across 13 markets including Malaysia, the Philippines and Indonesia, with availability also in Taiwan, South Korea and Japan. Generic sumatriptan, much of it made in India, is far more affordable than the original GSK brand, providing a practical access point for expats and locals across the region. With its wide reach, it remains one of the most ordered medications for these conditions when sourcing online.